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The Vector Projection Of v=3i+jk\mathbf { v } = - 3 \mathbf { i } + \mathbf { j } - \mathbf { k }

Question 13

Multiple Choice

The vector projection of v=3i+jk\mathbf { v } = - 3 \mathbf { i } + \mathbf { j } - \mathbf { k } onto w=2i+j3k\mathbf { w } = 2 \mathbf { i } + \mathbf { j } - 3 \mathbf { k } is


A) 211i111j+311k- \frac { 2 } { 11 } \mathbf { i } - \frac { 1 } { 11 } \mathbf { j } + \frac { 3 } { 11 } \mathbf { k }
B) 27i+17j+37k- \frac { 2 } { 7 } \mathbf { i } + \frac { 1 } { 7 } \mathbf { j } + \frac { 3 } { 7 } \mathbf { k }
C) 27i17j+37k- \frac { 2 } { 7 } \mathrm { i } - \frac { 1 } { 7 } \mathrm { j } + \frac { 3 } { 7 } \mathrm { k }
D) 27i17j+37k\frac { 2 } { 7 } \mathrm { i } - \frac { 1 } { 7 } \mathrm { j } + \frac { 3 } { 7 } \mathrm { k }
E) 27i+17j+37k\frac { 2 } { 7 } i + \frac { 1 } { 7 } j + \frac { 3 } { 7 } k

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